Resetting iPad

If properly prepared, the iPad will be fully unlocked in readiness for the new owner to set-up the iPad “as new”. No previous information or account credentials will remain; all previous history will be fully erased.

What to do before you sell, give away or trade in your iPhone, iPad or iPod touch – Apple Support

np33 Said:

"Resetting iPad: When you reset an ipad or phone, would the new owner need your icloud to restore it? Also, does it have any history of what icloud was logged in? I just wanted to know if anything stays when you reset an iPad."

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What to Do:

As long as you follow the steps provided in the following link, then there should be no issues that you are asking about. The Link: What to do Before you Sell, Give Away, or Trade in your iPhone, iPad, or iPod touch - Apple Support